/** 
 * @file llrngwriter.h
 * @brief Generates Relax NG schema files from a param block
 *
 * $LicenseInfo:firstyear=2003&license=viewergpl$
 * 
 * Copyright (c) 2003-2010, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
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 */

#ifndef LLRNGWRITER_H
#define LLRNGWRITER_H

#include "llinitparam.h"
#include "llxmlnode.h"

class LLRNGWriter : public LLInitParam::Parser
{
	LOG_CLASS(LLRNGWriter);
public:
	void writeRNG(const std::string& name, LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const std::string& xml_namespace);
	void addDefinition(const std::string& type_name, const LLInitParam::BaseBlock& block);

	/*virtual*/ std::string getCurrentElementName() { return LLStringUtil::null; }

	LLRNGWriter();

private:
	LLXMLNodePtr createCardinalityNode(LLXMLNodePtr parent_node, S32 min_count, S32 max_count);
	void addTypeNode(LLXMLNodePtr parent_node, const std::string& type, const std::vector<std::string>* possible_values);

	void writeAttribute(const std::string& type, const Parser::name_stack_t&, S32 min_count, S32 max_count, const std::vector<std::string>* possible_values);
	LLXMLNodePtr	mElementNode;
	LLXMLNodePtr	mChildrenNode;
	LLXMLNodePtr	mGrammarNode;
	std::string		mDefinitionName;

	typedef std::pair<LLXMLNodePtr, std::set<std::string> >  attribute_data_t;
	typedef std::map<std::string, attribute_data_t> elements_map_t;
	typedef std::set<std::string> defined_elements_t;

	defined_elements_t	mDefinedElements;
	attribute_data_t	mAttributesWritten;
	elements_map_t		mElementsWritten;
};

#endif //LLRNGWRITER_H
